Sites and apps similar to Plunker include Replit, which has a free version. Other options are Pastebin.com, CodePen, jsFiddle and Google Chrome Developer Tools. There's no shortage of Code Editors like Plunker, with more than 50 alternatives for Windows, Linux, Mac, self-hosting and Android.
Compile and Execute your favorite programming languages online, click any of the following to proceed! Web Technologies, Text Formatting, Useful Utilities, Programming Languages. Vim, emacs modes are avaliable.
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Web Maker is an easy, quick and offline web experiment playground available as a Chrome extension, with open source code available at GitHub.
Liveweave is a HTML5, CSS3 & JavaScript playground for web developers and designers
Simple Code Editor for playing with Javascript and Conducting Interviews. New alternative for JSBin and JSFiddle.
pastebin.ai is a simple and efficient pastebin for mainly code to be distributed neatly and efficiently across the web.
A full-fledged, embeddable, online editor for private, offline web projects. Integrates with Github, and is also mobile friendly!.
Pinocode is an Offline code playground for frontend development right in your browser. It provides you a cool environment to practice frontend development using HTML, CSS and JavaScript. With support for variants and external libraries inclusion.
CSSDesk is a online HTML/CSS sandbox. Experiment with CSS, see the results live, and share your code with others.
A web-based IDE to teach programming in the classroom. Easily create and share exercises with students. Analyze and inspect students' submissions.
A pastebin or text storage site is a type of online content hosting service where users can store plain text, e.g. to source code snippets for code review via Internet Relay Chat.
